Subtract 3/30 from 14/81
14/81 - 3/30 is 59/810.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 30 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 81 × 10 = 810,
14/81 = 14 × 10/81 × 10 = 140/810 - Likewise, for the 2nd fraction, since 30 × 27 = 810,
3/30 = 3 × 27/30 × 27 = 81/810 - Subtract the two like fractions:
140/810 - 81/810 = 140 - 81/810 = 59/810
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/81-3/30 14/81-6/30 14/81-3/60 42/81-3/30 14/81-9/30 14/81-3/90 70/81-3/30 14/81-15/30 98/81-3/30 14/81-21/30